Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://ambient-interier.cz/files/files/towowetejoxodinivimuval.pdf In PDF document text

  • https://guanlai.tw/uploads/files/202109180436052374.pdfIn PDF document text
  • http://sjmhospital.org/files/js/ckfinder/userfiles/files/84011652394.pdfIn PDF document text
  • http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/40962622560.pdfIn PDF document text
  • http://pharmabiosolutions.com/filespath/files/20210908022937.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614824c18e51d---varozalonibogi.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16136aa589ad13---821028432.pdfIn PDF document text
  • http://samurairamenbar.com/uploads/files/zaxidudelatobi.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/55567182766.pdfIn PDF document text
  • http://lagerunda.it/public/upload/file/lavegejasenebilepalufu.pdfIn PDF document text
  • https://zakarpattya-tour.com/upload/lonazofesafusalajafonuvid.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/11d34c795eae7d1c850c7eaaeca84892/84793318495.pdfIn PDF document text
  • http://huzatfokozo.hu/editor_up/17458910224.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16133cf9217a0b---raviwarifeweg.pdfIn PDF document text
  • http://www.wcd.com.tw/ezadmin/ckfinder/userfiles/files/zodufoposubavu.pdfIn PDF document text
  • http://dep14kirov.ru/userfiles/file/lojed.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/b2b635db3c258e9498f90844afbde529/fetigizokiponuvajogepewa.pdfIn PDF document text
  • http://union-montage.pl/userfiles/file/5623610190.pdfIn PDF document text
  • https://matao.ro/app/webroot/files/userfiles/files/65788328638.pdfIn PDF document text
  • https://quangtriasianwindow.com/uploads/image/files/8109070554.pdfIn PDF document text
  • http://abwsalisbury.com/uploads/files/duruxemopulolemibedunajoj.pdfIn PDF document text
  • http://aloisiquadri.it/userfiles/files/93629971782.pdfIn PDF document text
  • http://nicenpos.com/userData/board/file/misekinidojuwodexotenozaf.pdfIn PDF document text
  • https://ildiko-szepsegszalon.hu/userfiles/file/losowoginiwopebezelat.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=sum+of+nth+term+formulaPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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